Home / 91,716.20-137,586.54-36,299.24

Finding the Fourth Proportional to 91,716.20, 137,586.54 and 36,299.24

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Solution

The fourth proportional to 91,716.20, 137,586.54 and 36,299.24 is: 54,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,716.20 : 137,586.54 = 36,299.24 : x
  2. Step 2: Convert to fraction form
    91,716.20/137,586.54 = 36,299.24/x
  3. Step 3: Cross multiply
    91,716.20x = 137,586.54 × 36,299.24
  4. Step 4: Simplify right side
    91,716.20x = 4,994,286,836.23
  5. Step 5: Solve for x
    x = 4,994,286,836.23/91,716.20
  6. Step 6: Final answer
    x = 54,453.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.